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TUSB8020BPHPR 数据表(PDF) 21 Page - Texas Instruments |
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TUSB8020BPHPR 数据表(HTML) 21 Page - Texas Instruments |
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21 / 43 page  TUSB8020B www.ti.com SLLSEF6A – JULY 2014 – REVISED JULY 2014 8.5.1.12 UUID Registers (offset = 10h to 1Fh) Figure 14. Register Offset 10h to 1Fh 7 6 5 4 3 2 1 0 X X X X X X X X R R R R R R R R LEGEND: R/W = Read/Write; R = Read only; –n = value after reset Table 15. Bit Descriptions – UUID Byte N Register Bit Field Name Access Reset Description UUID byte N. The UUID returned in the Container ID descriptor. The value of this register 7:0 uuidByte[n] RO is provided by the device and is meets the UUID requirements of Internet Engineering Task Force (IETF) RFC 4122 A UUID URN Namespace. 8.5.1.13 Language ID LSB Register (offset = 20h) Figure 15. Register Offset 20h 7 6 5 4 3 2 1 0 0 0 0 0 1 0 0 1 R/W R/W R/W R/W R/W R/W R/W R/W LEGEND: R/W = Read/Write; R = Read only; –n = value after reset Table 16. Bit Descriptions – Language ID LSB Register Bit Field Name Access Reset Description Language ID least significant byte. This register contains the value returned in the LSB of the LANGID code in string index 0. The TUSB8020B only supports one 7:0 langIdLsb RW language ID. The default value of this register is 09h representing the LSB of the LangID 0409h indicating English United States. When customStrings is 1, this field may be overwritten by the contents of an attached EEPROM or by an SMBus host. 8.5.1.14 Language ID MSB Register (offset = 21h) Figure 16. Register Offset 21h 7 6 5 4 3 2 1 0 0 0 0 0 0 1 0 0 R/W R/W R/W R/W R/W R/W R/W R/W LEGEND: R/W = Read/Write; R = Read only; –n = value after reset Table 17. Bit Descriptions – Language ID MSB Register Bit Field Name Access Reset Description Language ID most significant byte. This register contains the value returned in the MSB of the LANGID code in string index 0. The TUSB8020B only supports one language ID. The default value of this register is 04h representing the MSB of the LangID 0409h indicating 7:0 langIdMsb RO/RW English United States. When customStrings is 1, this field may be overwritten by the contents of an attached EEPROM or by an SMBus host. Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 21 Product Folder Links: TUSB8020B |
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